A more common term for the underride guard is the "Mansfield bar," which was inspired by ... and the 1966 Buick Electra collided with the back of the truck's trailer. Due to the car sliding ...

However, for those who don't know much about these large, commercially vital trucks, some things on the rigs might look alien. For instance, the so-called "Mansfield Bars" on the rear of a semi ...

While driving behind a semi-truck, you've probably noticed a long bar going across the bottom ... sliding underneath the ...